গাণিতিক যুক্তি
মোট ১৯৫৮২ টি প্রশ্ন · উত্তর ও ব্যাখ্যাসহ · বিনামূল্যে
১৮১২১–১৮১৪০ দেখানো হচ্ছে, মোট ১৯৫৮২ টির মধ্যে
- Three taps A, B and C fill a tank in 20 min, 15 min and 12 min, respectively. If all the taps are opened simultaneously, how long will they take to fill 40% of the tank? MCQ
- A 240 m long train passed a pole in 24 seconds. How long will it take to pass a 650 m long platform? MCQ
- A man is walking at a speed of 10 kmph. After every km, he takes rest for 5 minutes. How much time will he take to cover a distance of 5 km? MCQ
- How long will a 150m long train running at a speed of 60 kmph take to cross a bridge of 300m? MCQ
- A train is moving at a speed of 132 km/hr. If the length of the train is 110 meters, how long it will take to cross a railway platform 165 meter long? MCQ
- A motor boat takes 12 hours to go downstream and it takes 24 hours to return the same distance. What is the time taken by boat in still water? MCQ
- To finish a work, A sets aside half additional time than B. In the event that together they take 18 days to finish the work, what amount of time might B take to do it? MCQ
- While going to office, Ramesh travels at a speed of 30 kmph and on his way back, he travels at a speed of 45 kmph. What is his average speed of the whole journey? MCQ
- A train takes 18 sec to pass completely through a station 162m long and 15 seconds through another station 120m long.The length of the train- MCQ
- Pipe A fills a tank in 24 minutes. Pipe B can fill the same tank 7 times as fast as Pipe A. If both the pipes are kept open when the tank is empty, when will the tank be full? MCQ
- A man travels equal distances of his journey at 15, 20 and 30 km/hour respectively. What is his average speed for whole journey? MCQ
- Arif travels 1/3rd of the distance at an average speed of 5 km/hr, 2/5the of the distance at an average speed of 4 km/hr and the rest 12 miles in 2 hours. What is the total distance traveled by Arif? MCQ
- With an uniform speed, a car covers a distance in 8 hours. Had the speed been increased by 4 km/hr, the same distance could have been covered in 7 hr and 30 min. What is the distance covered? MCQ
- A bus is running with a uniform speed of 37 km/h. What distance will be covered by bus at 8 h? MCQ
- A Man travelled a distance of 61 km in 9 hours. He travelled partly on foot at 4 km/hr and partly on bicycle at 9 km/hr. What is the distance travelled on foot? MCQ
- Walking at the rate of 4 kmph a man cover certain distance in 2 hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in. MCQ
- What is the probability of getting a sum 9 from two throws of a dice? MCQ
- In a race, the odd favour of cars P, Q, R, S are 1 : 3, 1 : 4, 1 : 5 and 1 : 6 respectively. Find the probability that one of them wins the race. MCQ
- P and Q sit in a ring arrangement with 10 persons. What is the probability that P and Q will sit together? MCQ
- An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red? MCQ